Improvement in cotitivator-tooth



Mwsaaee-W E. L. FREEMAN, OF WILLIAMSTOWN, NEW YORK.

Letteos Patent No. 89,137, dated Apfn'l 20, 1869.

INIPROVEMENT IN CULTIVATOR-TOOTB'.

The Schedule referred to in these Letters-Patent and making part of thesame To all whom 'it may concern Be it known that I, E. L. FREEMAN, ofWilliamstown, in the county of Oswego, and State of New York, have madenew and useful Improvements in Devices for Preparing Land for Sowin g,and for Gultivatin g Crops; and I do hereby declare that the followingis. a 'full and complete description ofthe construction and operation ofthe same, reference being had to the accompanying drawings, making partof this specification.

This invention consi ts in the peculiar form of tivator-tooth,

' A representing the shank, and

IB, the head that locks over the beam, and is held in place by a key,driven into the hole ou the back or front side of the shank.

From the lower end ofthe shank A, the tooth curves slightly backward anddownward, being widened and flattened, as shown at C.

From this point it 'bends forward, gradually contracting in width, untilit reaches the point D, where it presents a nearly horizontal position.

From D t o the edge of the point, the vertical thickv

